974271440 has 40 divisors (see below), whose sum is σ = 2307930408. Its totient is φ = 382353920.

The previous prime is 974271439. The next prime is 974271449. The reversal of 974271440 is 44172479.

It can be written as a sum of positive squares in 4 ways, for example, as 74511424 + 899760016 = 8632^2 + 29996^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 974271394 and 974271403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974271449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110651 + ... + 119130.

Almost surely, 2^974271440 is an apocalyptic number.

It is an amenable number.

974271440 is an abundant number, since it is smaller than the sum of its proper divisors (1333658968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

974271440 is a wasteful number, since it uses less digits than its factorization.

974271440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229847 (or 229841 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 974271440 is about 31213.3215150198. The cubic root of 974271440 is about 991.3491926644.

The spelling of 974271440 in words is "nine hundred seventy-four million, two hundred seventy-one thousand, four hundred forty".